diff --git a/src/map.c b/src/map.c
index 502e09e..0009a6c 100644
--- a/src/map.c
+++ b/src/map.c
@@ -29,6 +29,7 @@
 #include "object.h"
 #include "map.h"
 #include "hash.h"
+#include "string.h"
 
 static struct bucket {
 	CFWObject *key, *obj;
@@ -252,6 +253,22 @@ cfw_map_get(CFWMap *map, void *key)
 	return NULL;
 }
 
+void*
+cfw_map_get_c(CFWMap *map, const char *key)
+{
+	CFWString *str;
+	void *ret;
+
+	if ((str = cfw_new(cfw_string, key)) == NULL)
+		return NULL;
+
+	ret = cfw_map_get(map, str);
+
+	cfw_unref(str);
+
+	return ret;
+}
+
 bool
 cfw_map_set(CFWMap *map, void *key, void *obj)
 {
@@ -356,6 +373,22 @@ cfw_map_set(CFWMap *map, void *key, void *obj)
 	return true;
 }
 
+bool
+cfw_map_set_c(CFWMap *map, const char *key, void *obj)
+{
+	CFWString *str;
+	bool ret;
+
+	if ((str = cfw_new(cfw_string, key)) == NULL)
+		return false;
+
+	ret = cfw_map_set(map, str, obj);
+
+	cfw_unref(str);
+
+	return ret;
+}
+
 void
 cfw_map_iter(CFWMap *map, cfw_map_iter_t *iter)
 {
diff --git a/src/map.h b/src/map.h
index 25e3108..95117fb 100644
--- a/src/map.h
+++ b/src/map.h
@@ -41,7 +41,9 @@ typedef struct cfw_map_iter_t {
 extern CFWClass *cfw_map;
 extern size_t cfw_map_size(CFWMap*);
 extern void* cfw_map_get(CFWMap*, void*);
+extern void* cfw_map_get_c(CFWMap*, const char*);
 extern bool cfw_map_set(CFWMap*, void*, void*);
+extern bool cfw_map_set_c(CFWMap*, const char*, void*);
 extern void cfw_map_iter(CFWMap*, cfw_map_iter_t*);
 extern void cfw_map_iter_next(cfw_map_iter_t*);